//
// LogInfo.cs
//
// Author:
//       MiNG <developer@ming.gz.cn>
//
// Copyright (c) 2018 Alibaba Cloud
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using Aliyun.Api.LogService.Utils;

namespace Aliyun.Api.LogService.Domain.Log
{
    public class LogInfo
    {
        public static IEnumerable<String> InvalidContentKeys { get; } = new HashSet<String>
        {
            "__time__",
            "__source__",
            "__topic__",
            "__partition_time__",
            "_extract_others_",
            "__extract_others__"
        };

        public DateTimeOffset Time { get; set; }

        public IDictionary<String, String> Contents { get; set; }

        public LogInfo()
        {
            this.Contents = new Dictionary<String, String>();
        }

        public void Validate()
        {
            var invalidKeys = this.Contents.Keys.Intersect(InvalidContentKeys).ToArray();
            if (invalidKeys.IsNotEmpty())
            {
                throw new ArgumentException($"{nameof(this.Contents)} contains forbidden keys: {String.Join(", ", invalidKeys)}.");
            }
        }
    }
}
